[1144] | 1 | # PyKota |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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[695] | 3 | |
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[952] | 4 | # PyKota - Print Quotas for CUPS and LPRng |
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[695] | 5 | # |
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| 6 | # (c) 2003 Jerome Alet <alet@librelogiciel.com> |
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[873] | 7 | # This program is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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[695] | 11 | # |
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[873] | 12 | # This program is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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[695] | 20 | # |
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| 21 | # $Id$ |
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| 22 | # |
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| 23 | # $Log$ |
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[1196] | 24 | # Revision 1.57 2003/11/19 23:19:38 jalet |
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| 25 | # Code refactoring work. |
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| 26 | # Explicit redirection to /dev/null has to be set in external policy now, just |
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| 27 | # like in external mailto. |
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| 28 | # |
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[1193] | 29 | # Revision 1.56 2003/11/19 07:40:20 jalet |
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| 30 | # Missing import statement. |
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| 31 | # Better documentation for mailto: external(...) |
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| 32 | # |
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[1192] | 33 | # Revision 1.55 2003/11/18 23:43:12 jalet |
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| 34 | # Mailto can be any external command now, as usual. |
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| 35 | # |
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[1171] | 36 | # Revision 1.54 2003/10/24 21:52:46 jalet |
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| 37 | # Now can force language when coming from CGI script. |
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| 38 | # |
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[1152] | 39 | # Revision 1.53 2003/10/08 21:41:38 jalet |
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| 40 | # External policies for printers works ! |
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| 41 | # We can now auto-add users on first print, and do other useful things if needed. |
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| 42 | # |
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[1144] | 43 | # Revision 1.52 2003/10/07 09:07:28 jalet |
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| 44 | # Character encoding added to please latest version of Python |
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| 45 | # |
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[1140] | 46 | # Revision 1.51 2003/10/06 14:21:41 jalet |
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| 47 | # Test reversed to not retrieve group members when no messages for them. |
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| 48 | # |
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[1130] | 49 | # Revision 1.50 2003/10/02 20:23:18 jalet |
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| 50 | # Storage caching mechanism added. |
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| 51 | # |
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[1113] | 52 | # Revision 1.49 2003/07/29 20:55:17 jalet |
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| 53 | # 1.14 is out ! |
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| 54 | # |
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[1091] | 55 | # Revision 1.48 2003/07/21 23:01:56 jalet |
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| 56 | # Modified some messages aout soft limit |
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| 57 | # |
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[1087] | 58 | # Revision 1.47 2003/07/16 21:53:08 jalet |
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| 59 | # Really big modifications wrt new configuration file's location and content. |
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| 60 | # |
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[1079] | 61 | # Revision 1.46 2003/07/09 20:17:07 jalet |
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| 62 | # Email field added to PostgreSQL schema |
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| 63 | # |
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[1077] | 64 | # Revision 1.45 2003/07/08 19:43:51 jalet |
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| 65 | # Configurable warning messages. |
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| 66 | # Poor man's treshold value added. |
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| 67 | # |
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[1068] | 68 | # Revision 1.44 2003/07/07 11:49:24 jalet |
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| 69 | # Lots of small fixes with the help of PyChecker |
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| 70 | # |
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[1061] | 71 | # Revision 1.43 2003/07/04 09:06:32 jalet |
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| 72 | # Small bug fix wrt undefined "LimitBy" field. |
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| 73 | # |
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[1048] | 74 | # Revision 1.42 2003/06/30 12:46:15 jalet |
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| 75 | # Extracted reporting code. |
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| 76 | # |
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[1041] | 77 | # Revision 1.41 2003/06/25 14:10:01 jalet |
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| 78 | # Hey, it may work (edpykota --reset excepted) ! |
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| 79 | # |
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[1021] | 80 | # Revision 1.40 2003/06/10 16:37:54 jalet |
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| 81 | # Deletion of the second user which is not needed anymore. |
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| 82 | # Added a debug configuration field in /etc/pykota.conf |
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| 83 | # All queries can now be sent to the logger in debug mode, this will |
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| 84 | # greatly help improve performance when time for this will come. |
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| 85 | # |
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[973] | 86 | # Revision 1.39 2003/04/29 18:37:54 jalet |
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| 87 | # Pluggable accounting methods (actually doesn't support external scripts) |
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| 88 | # |
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[956] | 89 | # Revision 1.38 2003/04/24 11:53:48 jalet |
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| 90 | # Default policy for unknown users/groups is to DENY printing instead |
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| 91 | # of the previous default to ALLOW printing. This is to solve an accuracy |
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| 92 | # problem. If you set the policy to ALLOW, jobs printed by in nexistant user |
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| 93 | # (from PyKota's POV) will be charged to the next user who prints on the |
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| 94 | # same printer. |
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| 95 | # |
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[955] | 96 | # Revision 1.37 2003/04/24 08:08:27 jalet |
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| 97 | # Debug message forgotten |
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| 98 | # |
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[954] | 99 | # Revision 1.36 2003/04/24 07:59:40 jalet |
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| 100 | # LPRng support now works ! |
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| 101 | # |
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[952] | 102 | # Revision 1.35 2003/04/23 22:13:57 jalet |
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| 103 | # Preliminary support for LPRng added BUT STILL UNTESTED. |
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| 104 | # |
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[929] | 105 | # Revision 1.34 2003/04/17 09:26:21 jalet |
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| 106 | # repykota now reports account balances too. |
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| 107 | # |
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[927] | 108 | # Revision 1.33 2003/04/16 12:35:49 jalet |
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| 109 | # Groups quota work now ! |
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| 110 | # |
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[925] | 111 | # Revision 1.32 2003/04/16 08:53:14 jalet |
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| 112 | # Printing can now be limited either by user's account balance or by |
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| 113 | # page quota (the default). Quota report doesn't include account balance |
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| 114 | # yet, though. |
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| 115 | # |
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[915] | 116 | # Revision 1.31 2003/04/15 11:30:57 jalet |
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| 117 | # More work done on money print charging. |
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| 118 | # Minor bugs corrected. |
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| 119 | # All tools now access to the storage as priviledged users, repykota excepted. |
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| 120 | # |
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[900] | 121 | # Revision 1.30 2003/04/10 21:47:20 jalet |
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| 122 | # Job history added. Upgrade script neutralized for now ! |
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| 123 | # |
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[873] | 124 | # Revision 1.29 2003/03/29 13:45:27 jalet |
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| 125 | # GPL paragraphs were incorrectly (from memory) copied into the sources. |
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| 126 | # Two README files were added. |
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| 127 | # Upgrade script for PostgreSQL pre 1.01 schema was added. |
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| 128 | # |
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[872] | 129 | # Revision 1.28 2003/03/29 13:08:28 jalet |
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| 130 | # Configuration is now expected to be found in /etc/pykota.conf instead of |
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| 131 | # in /etc/cups/pykota.conf |
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| 132 | # Installation script can move old config files to the new location if needed. |
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| 133 | # Better error handling if configuration file is absent. |
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| 134 | # |
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[852] | 135 | # Revision 1.27 2003/03/15 23:01:28 jalet |
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| 136 | # New mailto option in configuration file added. |
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| 137 | # No time to test this tonight (although it should work). |
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| 138 | # |
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[844] | 139 | # Revision 1.26 2003/03/09 23:58:16 jalet |
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| 140 | # Comment |
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| 141 | # |
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[834] | 142 | # Revision 1.25 2003/03/07 22:56:14 jalet |
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| 143 | # 0.99 is out with some bug fixes. |
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| 144 | # |
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[825] | 145 | # Revision 1.24 2003/02/27 23:48:41 jalet |
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| 146 | # Correctly maps PyKota's log levels to syslog log levels |
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| 147 | # |
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[824] | 148 | # Revision 1.23 2003/02/27 22:55:20 jalet |
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| 149 | # WARN log priority doesn't exist. |
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| 150 | # |
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[817] | 151 | # Revision 1.22 2003/02/27 09:09:20 jalet |
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| 152 | # Added a method to match strings against wildcard patterns |
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| 153 | # |
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[804] | 154 | # Revision 1.21 2003/02/17 23:01:56 jalet |
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| 155 | # Typos |
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| 156 | # |
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[802] | 157 | # Revision 1.20 2003/02/17 22:55:01 jalet |
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| 158 | # More options can now be set per printer or globally : |
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| 159 | # |
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[804] | 160 | # admin |
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| 161 | # adminmail |
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| 162 | # gracedelay |
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| 163 | # requester |
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[802] | 164 | # |
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| 165 | # the printer option has priority when both are defined. |
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| 166 | # |
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[788] | 167 | # Revision 1.19 2003/02/10 11:28:45 jalet |
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| 168 | # Localization |
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| 169 | # |
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[782] | 170 | # Revision 1.18 2003/02/10 01:02:17 jalet |
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| 171 | # External requester is about to work, but I must sleep |
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| 172 | # |
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[773] | 173 | # Revision 1.17 2003/02/09 13:05:43 jalet |
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| 174 | # Internationalization continues... |
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| 175 | # |
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[772] | 176 | # Revision 1.16 2003/02/09 12:56:53 jalet |
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| 177 | # Internationalization begins... |
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| 178 | # |
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[764] | 179 | # Revision 1.15 2003/02/08 22:09:52 jalet |
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| 180 | # Name check method moved here |
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| 181 | # |
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[742] | 182 | # Revision 1.14 2003/02/07 10:42:45 jalet |
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| 183 | # Indentation problem |
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| 184 | # |
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[733] | 185 | # Revision 1.13 2003/02/07 08:34:16 jalet |
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| 186 | # Test wrt date limit was wrong |
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| 187 | # |
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[729] | 188 | # Revision 1.12 2003/02/06 23:20:02 jalet |
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| 189 | # warnpykota doesn't need any user/group name argument, mimicing the |
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| 190 | # warnquota disk quota tool. |
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| 191 | # |
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[728] | 192 | # Revision 1.11 2003/02/06 22:54:33 jalet |
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| 193 | # warnpykota should be ok |
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| 194 | # |
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[722] | 195 | # Revision 1.10 2003/02/06 15:03:11 jalet |
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| 196 | # added a method to set the limit date |
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| 197 | # |
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[715] | 198 | # Revision 1.9 2003/02/06 10:39:23 jalet |
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| 199 | # Preliminary edpykota work. |
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| 200 | # |
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[713] | 201 | # Revision 1.8 2003/02/06 09:19:02 jalet |
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| 202 | # More robust behavior (hopefully) when the user or printer is not managed |
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| 203 | # correctly by the Quota System : e.g. cupsFilter added in ppd file, but |
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| 204 | # printer and/or user not 'yet?' in storage. |
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| 205 | # |
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[712] | 206 | # Revision 1.7 2003/02/06 00:00:45 jalet |
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| 207 | # Now includes the printer name in email messages |
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| 208 | # |
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[711] | 209 | # Revision 1.6 2003/02/05 23:55:02 jalet |
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| 210 | # Cleaner email messages |
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| 211 | # |
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[709] | 212 | # Revision 1.5 2003/02/05 23:45:09 jalet |
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| 213 | # Better DateTime manipulation wrt grace delay |
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| 214 | # |
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[708] | 215 | # Revision 1.4 2003/02/05 23:26:22 jalet |
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| 216 | # Incorrect handling of grace delay |
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| 217 | # |
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[699] | 218 | # Revision 1.3 2003/02/05 22:16:20 jalet |
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| 219 | # DEVICE_URI is undefined outside of CUPS, i.e. for normal command line tools |
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| 220 | # |
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[698] | 221 | # Revision 1.2 2003/02/05 22:10:29 jalet |
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| 222 | # Typos |
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| 223 | # |
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[695] | 224 | # Revision 1.1 2003/02/05 21:28:17 jalet |
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| 225 | # Initial import into CVS |
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| 226 | # |
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| 227 | # |
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| 228 | # |
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| 229 | |
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| 230 | import sys |
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[1193] | 231 | import os |
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[817] | 232 | import fnmatch |
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[715] | 233 | import getopt |
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[695] | 234 | import smtplib |
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[772] | 235 | import gettext |
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[782] | 236 | import locale |
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[695] | 237 | |
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[708] | 238 | from mx import DateTime |
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| 239 | |
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[715] | 240 | from pykota import version, config, storage, logger |
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[1196] | 241 | from pykota.accounter import openAccounter |
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[695] | 242 | |
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| 243 | class PyKotaToolError(Exception): |
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| 244 | """An exception for PyKota config related stuff.""" |
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| 245 | def __init__(self, message = ""): |
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| 246 | self.message = message |
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| 247 | Exception.__init__(self, message) |
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| 248 | def __repr__(self): |
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| 249 | return self.message |
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| 250 | __str__ = __repr__ |
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| 251 | |
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| 252 | class PyKotaTool : |
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| 253 | """Base class for all PyKota command line tools.""" |
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[1171] | 254 | def __init__(self, lang=None, doc="PyKota %s (c) 2003 %s" % (version.__version__, version.__author__)) : |
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[695] | 255 | """Initializes the command line tool.""" |
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[772] | 256 | # locale stuff |
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[788] | 257 | try : |
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[1171] | 258 | locale.setlocale(locale.LC_ALL, lang) |
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[788] | 259 | gettext.install("pykota") |
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| 260 | except (locale.Error, IOError) : |
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| 261 | gettext.NullTranslations().install() |
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[1171] | 262 | sys.stderr.write("PyKota : Error while loading translations\n") |
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[772] | 263 | |
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| 264 | # pykota specific stuff |
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[715] | 265 | self.documentation = doc |
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[1087] | 266 | self.config = config.PyKotaConfig("/etc/pykota") |
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[1021] | 267 | self.logger = logger.openLogger(self) |
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[1130] | 268 | self.debug = self.config.getDebug() |
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[1021] | 269 | self.storage = storage.openConnection(self) |
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[695] | 270 | self.smtpserver = self.config.getSMTPServer() |
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| 271 | |
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[1130] | 272 | def logdebug(self, message) : |
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| 273 | """Logs something to debug output if debug is enabled.""" |
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| 274 | if self.debug : |
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| 275 | self.logger.log_message(message, "debug") |
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| 276 | |
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[1113] | 277 | def clean(self) : |
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| 278 | """Ensures that the database is closed.""" |
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| 279 | try : |
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| 280 | self.storage.close() |
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| 281 | except (TypeError, NameError, AttributeError) : |
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| 282 | pass |
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| 283 | |
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[715] | 284 | def display_version_and_quit(self) : |
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| 285 | """Displays version number, then exists successfully.""" |
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[1113] | 286 | self.clean() |
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[715] | 287 | print version.__version__ |
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| 288 | sys.exit(0) |
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| 289 | |
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| 290 | def display_usage_and_quit(self) : |
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| 291 | """Displays command line usage, then exists successfully.""" |
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[1113] | 292 | self.clean() |
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[715] | 293 | print self.documentation |
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| 294 | sys.exit(0) |
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| 295 | |
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[729] | 296 | def parseCommandline(self, argv, short, long, allownothing=0) : |
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[715] | 297 | """Parses the command line, controlling options.""" |
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| 298 | # split options in two lists: those which need an argument, those which don't need any |
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| 299 | withoutarg = [] |
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| 300 | witharg = [] |
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| 301 | lgs = len(short) |
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| 302 | i = 0 |
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| 303 | while i < lgs : |
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| 304 | ii = i + 1 |
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| 305 | if (ii < lgs) and (short[ii] == ':') : |
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| 306 | # needs an argument |
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| 307 | witharg.append(short[i]) |
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| 308 | ii = ii + 1 # skip the ':' |
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| 309 | else : |
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| 310 | # doesn't need an argument |
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| 311 | withoutarg.append(short[i]) |
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| 312 | i = ii |
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| 313 | |
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| 314 | for option in long : |
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| 315 | if option[-1] == '=' : |
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| 316 | # needs an argument |
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| 317 | witharg.append(option[:-1]) |
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| 318 | else : |
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| 319 | # doesn't need an argument |
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| 320 | withoutarg.append(option) |
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| 321 | |
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| 322 | # we begin with all possible options unset |
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| 323 | parsed = {} |
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| 324 | for option in withoutarg + witharg : |
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| 325 | parsed[option] = None |
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| 326 | |
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| 327 | # then we parse the command line |
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| 328 | args = [] # to not break if something unexpected happened |
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| 329 | try : |
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| 330 | options, args = getopt.getopt(argv, short, long) |
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| 331 | if options : |
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| 332 | for (o, v) in options : |
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| 333 | # we skip the '-' chars |
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| 334 | lgo = len(o) |
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| 335 | i = 0 |
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| 336 | while (i < lgo) and (o[i] == '-') : |
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| 337 | i = i + 1 |
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| 338 | o = o[i:] |
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| 339 | if o in witharg : |
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| 340 | # needs an argument : set it |
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| 341 | parsed[o] = v |
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| 342 | elif o in withoutarg : |
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| 343 | # doesn't need an argument : boolean |
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| 344 | parsed[o] = 1 |
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| 345 | else : |
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| 346 | # should never occur |
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| 347 | raise PyKotaToolError, "Unexpected problem when parsing command line" |
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[729] | 348 | elif (not args) and (not allownothing) and sys.stdin.isatty() : # no option and no argument, we display help if we are a tty |
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[715] | 349 | self.display_usage_and_quit() |
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| 350 | except getopt.error, msg : |
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| 351 | sys.stderr.write("%s\n" % msg) |
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| 352 | sys.stderr.flush() |
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| 353 | self.display_usage_and_quit() |
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| 354 | return (parsed, args) |
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| 355 | |
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[764] | 356 | def isValidName(self, name) : |
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| 357 | """Checks if a user or printer name is valid.""" |
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| 358 | # unfortunately Python 2.1 string modules doesn't define ascii_letters... |
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| 359 | asciiletters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' |
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| 360 | digits = '0123456789' |
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| 361 | if name[0] in asciiletters : |
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| 362 | validchars = asciiletters + digits + "-_" |
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| 363 | for c in name[1:] : |
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| 364 | if c not in validchars : |
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| 365 | return 0 |
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| 366 | return 1 |
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| 367 | return 0 |
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| 368 | |
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[817] | 369 | def matchString(self, s, patterns) : |
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| 370 | """Returns 1 if the string s matches one of the patterns, else 0.""" |
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| 371 | for pattern in patterns : |
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| 372 | if fnmatch.fnmatchcase(s, pattern) : |
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| 373 | return 1 |
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| 374 | return 0 |
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| 375 | |
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[802] | 376 | def sendMessage(self, adminmail, touser, fullmessage) : |
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[695] | 377 | """Sends an email message containing headers to some user.""" |
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| 378 | if "@" not in touser : |
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| 379 | touser = "%s@%s" % (touser, self.smtpserver) |
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| 380 | server = smtplib.SMTP(self.smtpserver) |
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[1041] | 381 | try : |
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| 382 | server.sendmail(adminmail, [touser], fullmessage) |
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| 383 | except smtplib.SMTPRecipientsRefused, answer : |
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| 384 | for (k, v) in answer.recipients.items() : |
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| 385 | self.logger.log_message(_("Impossible to send mail to %s, error %s : %s") % (k, v[0], v[1]), "error") |
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[695] | 386 | server.quit() |
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| 387 | |
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[1079] | 388 | def sendMessageToUser(self, admin, adminmail, user, subject, message) : |
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[695] | 389 | """Sends an email message to a user.""" |
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[802] | 390 | message += _("\n\nPlease contact your system administrator :\n\n\t%s - <%s>\n") % (admin, adminmail) |
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[1079] | 391 | self.sendMessage(adminmail, user.Email or user.Name, "Subject: %s\n\n%s" % (subject, message)) |
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[695] | 392 | |
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[802] | 393 | def sendMessageToAdmin(self, adminmail, subject, message) : |
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[695] | 394 | """Sends an email message to the Print Quota administrator.""" |
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[802] | 395 | self.sendMessage(adminmail, adminmail, "Subject: %s\n\n%s" % (subject, message)) |
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[695] | 396 | |
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[1041] | 397 | def checkGroupPQuota(self, grouppquota) : |
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[927] | 398 | """Checks the group quota on a printer and deny or accept the job.""" |
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[1041] | 399 | group = grouppquota.Group |
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| 400 | printer = grouppquota.Printer |
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[1061] | 401 | if group.LimitBy and (group.LimitBy.lower() == "balance") : |
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[1077] | 402 | if group.AccountBalance <= 0.0 : |
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[1041] | 403 | action = "DENY" |
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[1077] | 404 | elif group.AccountBalance <= self.config.getPoorMan() : |
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| 405 | action = "WARN" |
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[927] | 406 | else : |
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[1041] | 407 | action = "ALLOW" |
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[927] | 408 | else : |
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[1041] | 409 | if grouppquota.SoftLimit is not None : |
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| 410 | softlimit = int(grouppquota.SoftLimit) |
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| 411 | if grouppquota.PageCounter < softlimit : |
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| 412 | action = "ALLOW" |
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[927] | 413 | else : |
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[1041] | 414 | if grouppquota.HardLimit is None : |
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| 415 | # only a soft limit, this is equivalent to having only a hard limit |
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| 416 | action = "DENY" |
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[927] | 417 | else : |
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[1041] | 418 | hardlimit = int(grouppquota.HardLimit) |
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| 419 | if softlimit <= grouppquota.PageCounter < hardlimit : |
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| 420 | now = DateTime.now() |
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| 421 | if grouppquota.DateLimit is not None : |
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| 422 | datelimit = DateTime.ISO.ParseDateTime(grouppquota.DateLimit) |
---|
| 423 | else : |
---|
| 424 | datelimit = now + self.config.getGraceDelay(printer.Name) |
---|
| 425 | grouppquota.setDateLimit(datelimit) |
---|
| 426 | if now < datelimit : |
---|
| 427 | action = "WARN" |
---|
| 428 | else : |
---|
[927] | 429 | action = "DENY" |
---|
[1041] | 430 | else : |
---|
[927] | 431 | action = "DENY" |
---|
[1041] | 432 | else : |
---|
| 433 | if grouppquota.HardLimit is not None : |
---|
| 434 | # no soft limit, only a hard one. |
---|
| 435 | hardlimit = int(grouppquota.HardLimit) |
---|
| 436 | if grouppquota.PageCounter < hardlimit : |
---|
[927] | 437 | action = "ALLOW" |
---|
[1041] | 438 | else : |
---|
| 439 | action = "DENY" |
---|
| 440 | else : |
---|
| 441 | # Both are unset, no quota, i.e. accounting only |
---|
| 442 | action = "ALLOW" |
---|
[927] | 443 | return action |
---|
| 444 | |
---|
[1041] | 445 | def checkUserPQuota(self, userpquota) : |
---|
[708] | 446 | """Checks the user quota on a printer and deny or accept the job.""" |
---|
[1041] | 447 | user = userpquota.User |
---|
| 448 | printer = userpquota.Printer |
---|
| 449 | |
---|
[927] | 450 | # first we check any group the user is a member of |
---|
[1041] | 451 | for group in self.storage.getUserGroups(user) : |
---|
| 452 | grouppquota = self.storage.getGroupPQuota(group, printer) |
---|
| 453 | if grouppquota.Exists : |
---|
| 454 | action = self.checkGroupPQuota(grouppquota) |
---|
| 455 | if action == "DENY" : |
---|
| 456 | return action |
---|
[927] | 457 | |
---|
| 458 | # then we check the user's own quota |
---|
[1152] | 459 | # if we get there we are sure that policy is not EXTERNAL |
---|
| 460 | (policy, dummy) = self.config.getPrinterPolicy(printer.Name) |
---|
[1061] | 461 | if user.LimitBy and (user.LimitBy.lower() == "balance") : |
---|
[1041] | 462 | if user.AccountBalance is None : |
---|
[956] | 463 | if policy == "ALLOW" : |
---|
[925] | 464 | action = "POLICY_ALLOW" |
---|
| 465 | else : |
---|
| 466 | action = "POLICY_DENY" |
---|
[1041] | 467 | self.logger.log_message(_("Unable to find user %s's account balance, applying default policy (%s) for printer %s") % (user.Name, action, printer.Name)) |
---|
[713] | 468 | else : |
---|
[1077] | 469 | val = float(user.AccountBalance or 0.0) |
---|
| 470 | if val <= 0.0 : |
---|
[925] | 471 | action = "DENY" |
---|
[1077] | 472 | elif val <= self.config.getPoorMan() : |
---|
| 473 | action = "WARN" |
---|
[925] | 474 | else : |
---|
[713] | 475 | action = "ALLOW" |
---|
[925] | 476 | else : |
---|
[1041] | 477 | if not userpquota.Exists : |
---|
| 478 | # Unknown userquota |
---|
[956] | 479 | if policy == "ALLOW" : |
---|
[925] | 480 | action = "POLICY_ALLOW" |
---|
[834] | 481 | else : |
---|
[925] | 482 | action = "POLICY_DENY" |
---|
[1041] | 483 | self.logger.log_message(_("Unable to match user %s on printer %s, applying default policy (%s)") % (user.Name, printer.Name, action)) |
---|
[925] | 484 | else : |
---|
[1041] | 485 | pagecounter = int(userpquota.PageCounter or 0) |
---|
| 486 | if userpquota.SoftLimit is not None : |
---|
| 487 | softlimit = int(userpquota.SoftLimit) |
---|
[925] | 488 | if pagecounter < softlimit : |
---|
| 489 | action = "ALLOW" |
---|
[834] | 490 | else : |
---|
[1041] | 491 | if userpquota.HardLimit is None : |
---|
[925] | 492 | # only a soft limit, this is equivalent to having only a hard limit |
---|
| 493 | action = "DENY" |
---|
| 494 | else : |
---|
[1041] | 495 | hardlimit = int(userpquota.HardLimit) |
---|
[925] | 496 | if softlimit <= pagecounter < hardlimit : |
---|
| 497 | now = DateTime.now() |
---|
[1041] | 498 | if userpquota.DateLimit is not None : |
---|
| 499 | datelimit = DateTime.ISO.ParseDateTime(userpquota.DateLimit) |
---|
[925] | 500 | else : |
---|
[1041] | 501 | datelimit = now + self.config.getGraceDelay(printer.Name) |
---|
| 502 | userpquota.setDateLimit(datelimit) |
---|
[925] | 503 | if now < datelimit : |
---|
| 504 | action = "WARN" |
---|
| 505 | else : |
---|
| 506 | action = "DENY" |
---|
| 507 | else : |
---|
[834] | 508 | action = "DENY" |
---|
[925] | 509 | else : |
---|
[1041] | 510 | if userpquota.HardLimit is not None : |
---|
[925] | 511 | # no soft limit, only a hard one. |
---|
[1041] | 512 | hardlimit = int(userpquota.HardLimit) |
---|
[925] | 513 | if pagecounter < hardlimit : |
---|
| 514 | action = "ALLOW" |
---|
| 515 | else : |
---|
[742] | 516 | action = "DENY" |
---|
[925] | 517 | else : |
---|
| 518 | # Both are unset, no quota, i.e. accounting only |
---|
[834] | 519 | action = "ALLOW" |
---|
| 520 | return action |
---|
[708] | 521 | |
---|
[1196] | 522 | def externalMailTo(self, cmd, action, user, printer, message) : |
---|
[1192] | 523 | """Warns the user with an external command.""" |
---|
| 524 | username = user.Name |
---|
[1196] | 525 | printername = printer.Name |
---|
[1192] | 526 | email = user.Email or user.Name |
---|
| 527 | if "@" not in email : |
---|
| 528 | email = "%s@%s" % (email, self.smtpserver) |
---|
| 529 | os.system(cmd % locals()) |
---|
| 530 | |
---|
[1196] | 531 | def formatCommandLine(self, cmd, user, printer) : |
---|
| 532 | """Executes an external command.""" |
---|
| 533 | username = user.Name |
---|
| 534 | printername = printer.Name |
---|
| 535 | return cmd % locals() |
---|
| 536 | |
---|
[1041] | 537 | def warnGroupPQuota(self, grouppquota) : |
---|
[927] | 538 | """Checks a group quota and send messages if quota is exceeded on current printer.""" |
---|
[1041] | 539 | group = grouppquota.Group |
---|
| 540 | printer = grouppquota.Printer |
---|
| 541 | admin = self.config.getAdmin(printer.Name) |
---|
| 542 | adminmail = self.config.getAdminMail(printer.Name) |
---|
[1192] | 543 | (mailto, arguments) = self.config.getMailTo(printer.Name) |
---|
[1068] | 544 | action = self.checkGroupPQuota(grouppquota) |
---|
[927] | 545 | if action.startswith("POLICY_") : |
---|
| 546 | action = action[7:] |
---|
| 547 | if action == "DENY" : |
---|
[1041] | 548 | adminmessage = _("Print Quota exceeded for group %s on printer %s") % (group.Name, printer.Name) |
---|
[927] | 549 | self.logger.log_message(adminmessage) |
---|
| 550 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 551 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
[1192] | 552 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
[1140] | 553 | for user in self.storage.getGroupMembers(group) : |
---|
[1192] | 554 | if mailto != "EXTERNAL" : |
---|
| 555 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Exceeded"), self.config.getHardWarn(printer.Name)) |
---|
| 556 | else : |
---|
[1196] | 557 | self.externalMailTo(arguments, action, user, printer, message) |
---|
[927] | 558 | elif action == "WARN" : |
---|
[1091] | 559 | adminmessage = _("Print Quota low for group %s on printer %s") % (group.Name, printer.Name) |
---|
[927] | 560 | self.logger.log_message(adminmessage) |
---|
| 561 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 562 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
[1077] | 563 | if group.LimitBy and (group.LimitBy.lower() == "balance") : |
---|
| 564 | message = self.config.getPoorWarn() |
---|
| 565 | else : |
---|
| 566 | message = self.config.getSoftWarn(printer.Name) |
---|
[1192] | 567 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
[1140] | 568 | for user in self.storage.getGroupMembers(group) : |
---|
[1192] | 569 | if mailto != "EXTERNAL" : |
---|
| 570 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Exceeded"), message) |
---|
| 571 | else : |
---|
[1196] | 572 | self.externalMailTo(arguments, action, user, printer, message) |
---|
[927] | 573 | return action |
---|
[728] | 574 | |
---|
[1041] | 575 | def warnUserPQuota(self, userpquota) : |
---|
[728] | 576 | """Checks a user quota and send him a message if quota is exceeded on current printer.""" |
---|
[1041] | 577 | user = userpquota.User |
---|
| 578 | printer = userpquota.Printer |
---|
| 579 | admin = self.config.getAdmin(printer.Name) |
---|
| 580 | adminmail = self.config.getAdminMail(printer.Name) |
---|
[1192] | 581 | (mailto, arguments) = self.config.getMailTo(printer.Name) |
---|
[1041] | 582 | action = self.checkUserPQuota(userpquota) |
---|
[834] | 583 | if action.startswith("POLICY_") : |
---|
| 584 | action = action[7:] |
---|
[695] | 585 | if action == "DENY" : |
---|
[1041] | 586 | adminmessage = _("Print Quota exceeded for user %s on printer %s") % (user.Name, printer.Name) |
---|
[834] | 587 | self.logger.log_message(adminmessage) |
---|
[1192] | 588 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
| 589 | message = self.config.getHardWarn(printer.Name) |
---|
| 590 | if mailto != "EXTERNAL" : |
---|
| 591 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Exceeded"), message) |
---|
| 592 | else : |
---|
[1196] | 593 | self.externalMailTo(arguments, action, user, printer, message) |
---|
[852] | 594 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 595 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
[695] | 596 | elif action == "WARN" : |
---|
[1091] | 597 | adminmessage = _("Print Quota low for user %s on printer %s") % (user.Name, printer.Name) |
---|
[695] | 598 | self.logger.log_message(adminmessage) |
---|
[1192] | 599 | if mailto in [ "BOTH", "USER", "EXTERNAL" ] : |
---|
[1077] | 600 | if user.LimitBy and (user.LimitBy.lower() == "balance") : |
---|
| 601 | message = self.config.getPoorWarn() |
---|
| 602 | else : |
---|
| 603 | message = self.config.getSoftWarn(printer.Name) |
---|
[1192] | 604 | if mailto != "EXTERNAL" : |
---|
| 605 | self.sendMessageToUser(admin, adminmail, user, _("Print Quota Low"), message) |
---|
| 606 | else : |
---|
[1196] | 607 | self.externalMailTo(arguments, action, user, printer, message) |
---|
[852] | 608 | if mailto in [ "BOTH", "ADMIN" ] : |
---|
| 609 | self.sendMessageToAdmin(adminmail, _("Print Quota"), adminmessage) |
---|
[695] | 610 | return action |
---|
[1196] | 611 | |
---|
| 612 | class PyKotaFilterOrBackend(PyKotaTool) : |
---|
| 613 | """Class for the PyKota filter or backend.""" |
---|
| 614 | def __init__(self) : |
---|
| 615 | PyKotaTool.__init__(self) |
---|
| 616 | (self.printingsystem, \ |
---|
| 617 | self.printerhostname, \ |
---|
| 618 | self.printername, \ |
---|
| 619 | self.username, \ |
---|
| 620 | self.jobid, \ |
---|
| 621 | self.inputfile, \ |
---|
| 622 | self.copies, \ |
---|
| 623 | self.title, \ |
---|
| 624 | self.options, \ |
---|
| 625 | self.originalbackend) = self.extractInfoFromCupsOrLprng() |
---|
| 626 | self.accounter = openAccounter(self) |
---|
| 627 | |
---|
| 628 | def extractInfoFromCupsOrLprng(self) : |
---|
| 629 | """Returns a tuple (printingsystem, printerhostname, printername, username, jobid, filename, title, options, backend). |
---|
| 630 | |
---|
| 631 | Returns (None, None, None, None, None, None, None, None, None, None) if no printing system is recognized. |
---|
| 632 | """ |
---|
| 633 | # Try to detect CUPS |
---|
| 634 | if os.environ.has_key("CUPS_SERVERROOT") and os.path.isdir(os.environ.get("CUPS_SERVERROOT", "")) : |
---|
| 635 | if len(sys.argv) == 7 : |
---|
| 636 | inputfile = sys.argv[6] |
---|
| 637 | else : |
---|
| 638 | inputfile = None |
---|
| 639 | |
---|
| 640 | # check that the DEVICE_URI environment variable's value is |
---|
| 641 | # prefixed with "cupspykota:" otherwise don't touch it. |
---|
| 642 | # If this is the case, we have to remove the prefix from |
---|
| 643 | # the environment before launching the real backend in cupspykota |
---|
| 644 | device_uri = os.environ.get("DEVICE_URI", "") |
---|
| 645 | if device_uri.startswith("cupspykota:") : |
---|
| 646 | fulldevice_uri = device_uri[:] |
---|
| 647 | device_uri = fulldevice_uri[len("cupspykota:"):] |
---|
| 648 | if device_uri.startswith("//") : # lpd (at least) |
---|
| 649 | device_uri = device_uri[2:] |
---|
| 650 | os.environ["DEVICE_URI"] = device_uri # TODO : side effect ! |
---|
| 651 | # TODO : check this for more complex urls than ipp://myprinter.dot.com:631/printers/lp |
---|
| 652 | try : |
---|
| 653 | (backend, destination) = device_uri.split(":", 1) |
---|
| 654 | except ValueError : |
---|
| 655 | raise PyKotaToolError, "Invalid DEVICE_URI : %s\n" % device_uri |
---|
| 656 | while destination.startswith("/") : |
---|
| 657 | destination = destination[1:] |
---|
| 658 | printerhostname = destination.split("/")[0].split(":")[0] |
---|
| 659 | return ("CUPS", \ |
---|
| 660 | printerhostname, \ |
---|
| 661 | os.environ.get("PRINTER"), \ |
---|
| 662 | sys.argv[2].strip(), \ |
---|
| 663 | sys.argv[1].strip(), \ |
---|
| 664 | inputfile, \ |
---|
| 665 | int(sys.argv[4].strip()), \ |
---|
| 666 | sys.argv[3], \ |
---|
| 667 | sys.argv[5], \ |
---|
| 668 | backend) |
---|
| 669 | else : |
---|
| 670 | # Try to detect LPRng |
---|
| 671 | jseen = Pseen = nseen = rseen = Kseen = None |
---|
| 672 | for arg in sys.argv : |
---|
| 673 | if arg.startswith("-j") : |
---|
| 674 | jseen = arg[2:].strip() |
---|
| 675 | elif arg.startswith("-n") : |
---|
| 676 | nseen = arg[2:].strip() |
---|
| 677 | elif arg.startswith("-P") : |
---|
| 678 | Pseen = arg[2:].strip() |
---|
| 679 | elif arg.startswith("-r") : |
---|
| 680 | rseen = arg[2:].strip() |
---|
| 681 | elif arg.startswith("-K") or arg.startswith("-#") : |
---|
| 682 | Kseen = int(arg[2:].strip()) |
---|
| 683 | if Kseen is None : |
---|
| 684 | Kseen = 1 # we assume the user wants at least one copy... |
---|
| 685 | if (rseen is None) and jseen and Pseen and nseen : |
---|
| 686 | self.logger.log_message(_("Printer hostname undefined, set to 'localhost'"), "warn") |
---|
| 687 | rseen = "localhost" |
---|
| 688 | if jseen and Pseen and nseen and rseen : |
---|
| 689 | # job is always in stdin (None) |
---|
| 690 | return ("LPRNG", rseen, Pseen, nseen, jseen, None, Kseen, None, None, None) |
---|
| 691 | self.logger.log_message(_("Printing system unknown, args=%s") % " ".join(sys.argv), "warn") |
---|
| 692 | return (None, None, None, None, None, None, None, None, None, None) # Unknown printing system |
---|